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JPH0417013U - - Google Patents

Info

Publication number
JPH0417013U
JPH0417013U JP5533790U JP5533790U JPH0417013U JP H0417013 U JPH0417013 U JP H0417013U JP 5533790 U JP5533790 U JP 5533790U JP 5533790 U JP5533790 U JP 5533790U JP H0417013 U JPH0417013 U JP H0417013U
Authority
JP
Japan
Prior art keywords
cylindrical blade
mounting recess
slightly
circumferential surface
claw piece
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP5533790U
Other languages
Japanese (ja)
Other versions
JPH0711845Y2 (en
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP5533790U priority Critical patent/JPH0711845Y2/en
Publication of JPH0417013U publication Critical patent/JPH0417013U/ja
Application granted granted Critical
Publication of JPH0711845Y2 publication Critical patent/JPH0711845Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Drilling Tools (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案の穿孔装置の正面図、第２図は
円筒刃の平面図、第３図は同断面図、第４図は保
持具を円筒刃から取り外した状態の分解斜視図、
第５図は保持具の平面図、第６図は同正面図、第
７図〜第１１図は穿孔装置の使用状態を示す断面
図である。 また図中、Ａ……穿孔装置、１……円筒刃、２
……取り付け凹部、３……保持具、４……爪片で
ある。 Fig. 1 is a front view of the punching device of the present invention, Fig. 2 is a plan view of the cylindrical blade, Fig. 3 is a sectional view thereof, and Fig. 4 is an exploded perspective view with the holder removed from the cylindrical blade.
FIG. 5 is a plan view of the holder, FIG. 6 is a front view thereof, and FIGS. 7 to 11 are sectional views showing how the punching device is used. In addition, in the figure, A...Drilling device, 1...Cylindrical blade, 2
... Attachment recess, 3... Holder, 4... Claw piece.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 下面開口の円筒刃を備えた穿孔装置において、
該円筒刃の下部内周面に僅かに窪んだ取り付け凹
部を設け、該取り付け凹部に内周面と同一面状に
取り付けられる保持具を取り外し自在に設け、該
保持具が円筒刃の内周面から内側へ僅かに突出し
た爪片を備えたことを特徴とする穿孔装置。 In a drilling device equipped with a cylindrical blade with an opening at the bottom,
A slightly recessed mounting recess is provided on the lower inner circumferential surface of the cylindrical blade, and a removable holder is provided in the mounting recess flush with the inner periphery of the cylindrical blade. A perforation device characterized by having a claw piece that slightly protrudes inward from the inside.
JP5533790U 1990-05-29 1990-05-29 Punching device Expired - Lifetime JPH0711845Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5533790U JPH0711845Y2 (en) 1990-05-29 1990-05-29 Punching device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5533790U JPH0711845Y2 (en) 1990-05-29 1990-05-29 Punching device

Publications (2)

Publication Number Publication Date
JPH0417013U true JPH0417013U (en) 1992-02-12
JPH0711845Y2 JPH0711845Y2 (en) 1995-03-22

Family

ID=31578199

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5533790U Expired - Lifetime JPH0711845Y2 (en) 1990-05-29 1990-05-29 Punching device

Country Status (1)

Country Link
JP (1) JPH0711845Y2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08152382A (en) * 1994-11-29 1996-06-11 Toshiba Corp Sampling equipment
JP2014102110A (en) * 2012-11-19 2014-06-05 Consec Corp Core bit
WO2014155649A1 (en) * 2013-03-29 2014-10-02 株式会社 日立製作所 Boring device and boring method

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200487462Y1 (en) * 2016-12-20 2018-09-19 코디아산업 주식회사 Core bit for core drill

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08152382A (en) * 1994-11-29 1996-06-11 Toshiba Corp Sampling equipment
JP2014102110A (en) * 2012-11-19 2014-06-05 Consec Corp Core bit
WO2014155649A1 (en) * 2013-03-29 2014-10-02 株式会社 日立製作所 Boring device and boring method
JPWO2014155649A1 (en) * 2013-03-29 2017-02-16 株式会社日立製作所 Drilling device and drilling method

Also Published As

Publication number Publication date
JPH0711845Y2 (en) 1995-03-22

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